Home / 18,232.38-25,164.87-15,243.02

Finding the Fourth Proportional to 18,232.38, 25,164.87 and 15,243.02

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Solution

The fourth proportional to 18,232.38, 25,164.87 and 15,243.02 is: 21,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,232.38 : 25,164.87 = 15,243.02 : x
  2. Step 2: Convert to fraction form
    18,232.38/25,164.87 = 15,243.02/x
  3. Step 3: Cross multiply
    18,232.38x = 25,164.87 × 15,243.02
  4. Step 4: Simplify right side
    18,232.38x = 383,588,616.71
  5. Step 5: Solve for x
    x = 383,588,616.71/18,232.38
  6. Step 6: Final answer
    x = 21,038.87

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.